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Veracode Vulnerability DatabaseVERACODE:38099HistoryNov 19, 2022 - 2:27 p.m.
Denial Of Service (DoS)
2022-11-1914:27:21
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
20
linux
dos
vulnerability
is_mergeable_anon_vma()
rmap.c
use-after-free
anon_vma
application crash
malicious input
EPSS
0
Percentile
5.2%
Linux is vulnerable to Denial Of Service (DoS). The vulnerability exists in the is_mergeable_anon_vma() function of rmap.c due to a use-after-free related to leaf anon_vma double reuse which allows an attacker to cause an application crash by providing malicious input.
References
git://git.launchpad.net/ubuntu-cve-tracker/tree/active/CVE-2022-42703
bugs.chromium.org/p/project-zero/issues/detail?id=2351
bugzilla.redhat.com/show_bug.cgi?id=CVE-2022-42703
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b
github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b
googleprojectzero.blogspot.com/2022/12/exploiting-CVE-2022-42703-bringing-back-the-stack-attack.html
security-tracker.debian.org/tracker/CVE-2022-42703
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